Emergency
E051 on Vokera Pinnacle Combi

Your boiler has detected a blockage or a fault in the flue system that is preventing exhaust fumes from escaping safely at high power.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Act immediately

Turn off your boiler and stop using gas appliances. Call a Gas Safe engineer now. This fault can be dangerous if ignored.

What the manual says

Manufacturer manual

SMOKE OBSTRUCTION ERROR HIGH POWER

From this model's manual
Verified against the Vokera Pinnacle Combi installation & service manual, page 8.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This is a emergency severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

E050View →E052View →E054View →

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